User interface



FIG. 1 is a front perspective view of a user interface showing our new design;

FIG. 2 is a front view of the user interface of FIG. 1.

FIG. 3 is a right side view of the user interface of FIG. 1.

FIG. 4 is a left side view of the user interface of FIG. 1.

FIG. 5 is a top view of the user interface of FIG. 1; and,

FIG. 6 is a bottom view of the user interface of FIG. 1.

The broken lines illustrate portions of the design that form no part of the claim. 

We claim the ornamental design for a user interface, as shown and described in FIGS. 1–6. 